{"id":2931,"date":"2025-07-22T17:03:40","date_gmt":"2025-07-22T09:03:40","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=2931"},"modified":"2025-07-22T17:27:39","modified_gmt":"2025-07-22T09:27:39","slug":"forged-vs-cast-trunnion-mounted-fully-welded-ball-valve","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/","title":{"rendered":"Acier forg\u00e9 ou acier moul\u00e9\u00a0: analyse approfondie des vannes \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9es mont\u00e9es sur tourillon"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Basculer la table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/#The_Forging_Process_Superior_Strength_and_Grain_Structure\" >Le processus de forgeage : r\u00e9sistance et structure de grain sup\u00e9rieures<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/#The_Casting_Process_Design_Flexibility_and_Cost\" >Le processus de moulage\u00a0: flexibilit\u00e9 de conception et co\u00fbt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/#Why_Forged_Steel_is_Preferred_for_High-Pressure_Trunnion_Valves\" >Pourquoi l&#039;acier forg\u00e9 est privil\u00e9gi\u00e9 pour les vannes \u00e0 tourillon haute pression<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/#Comparison_Forged_vs_Cast_for_Trunnion_Mounted_Fully_Welded_Ball_Valves\" >Comparaison\u00a0: forg\u00e9 et moul\u00e9 pour les robinets \u00e0 tournant sph\u00e9rique enti\u00e8rement soud\u00e9s mont\u00e9s sur tourillon<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/#When_Is_a_Cast_Body_Acceptable\" >Quand un corps moul\u00e9 est-il acceptable ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/#Conclusion_Specifying_Forged_Steel_for_Maximum_Reliability\" >Conclusion\u00a0: Sp\u00e9cifier l&#039;acier forg\u00e9 pour une fiabilit\u00e9 maximale<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>L&#039;acier forg\u00e9 est le meilleur choix si vous avez besoin d&#039;une r\u00e9sistance \u00e0 long terme, d&#039;une \u00e9tanch\u00e9it\u00e9 constante et d&#039;une r\u00e9sistance \u00e0 la pression dans un <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.pansvalve.com\/fr\/products\/trunnion-ball-valve\/\">robinet \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9 mont\u00e9 sur tourillon<\/a>L&#039;acier moul\u00e9 est plus judicieux lorsque le syst\u00e8me fonctionne \u00e0 des pressions plus faibles, n\u00e9cessite des formes de corps complexes ou privil\u00e9gie le co\u00fbt \u00e0 la durabilit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Forging_Process_Superior_Strength_and_Grain_Structure\"><\/span>Le processus de forgeage : r\u00e9sistance et structure de grain sup\u00e9rieures<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L&#039;acier forg\u00e9 est cr\u00e9\u00e9 en chauffant du m\u00e9tal solide et en le fa\u00e7onnant sous une pression contr\u00f4l\u00e9e.<sup><\/sup> Cela comprime la structure du grain du mat\u00e9riau, le rendant plus dense et plus r\u00e9sistant.<sup><\/sup><\/p>\n\n\n\n<p>Dans un <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.pansvalve.com\/fr\/products\/fully-welded-ball-valve\/\">vanne \u00e0 boisseau sph\u00e9rique \u00e0 corps enti\u00e8rement soud\u00e9<\/a>, ce point est plus important que pour les vannes standard. Le forgeage assure la continuit\u00e9 structurelle, ce qui contribue \u00e0 maintenir l&#039;alignement du si\u00e8ge et \u00e0 pr\u00e9venir la d\u00e9formation sous l&#039;effet d&#039;un couple \u00e9lev\u00e9 ou de cycles thermiques.<sup><\/sup> C&#039;est essentiel dans les conceptions mont\u00e9es sur tourillon o\u00f9 la boule est support\u00e9e aux deux extr\u00e9mit\u00e9s.<\/p>\n\n\n\n<p>Les corps forg\u00e9s r\u00e9sistent \u00e9galement bien mieux aux fissures, \u00e0 la fatigue due aux vibrations et aux contraintes m\u00e9caniques que les alternatives moul\u00e9es.<sup><\/sup> C&#039;est une des raisons <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/forged-steel-valve-benefits-for-power-plant-valves\/\">les soupapes forg\u00e9es sont couramment utilis\u00e9es<\/a> dans les infrastructures \u00e9nerg\u00e9tiques critiques o\u00f9 la fiabilit\u00e9 est essentielle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Casting_Process_Design_Flexibility_and_Cost\"><\/span>Le processus de moulage\u00a0: flexibilit\u00e9 de conception et co\u00fbt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L&#039;acier moul\u00e9 est fabriqu\u00e9 en faisant fondre du m\u00e9tal et en le versant dans un moule.<sup><\/sup> Le r\u00e9sultat est une forme quasi nette qui n\u00e9cessite moins d\u2019usinage et permet des g\u00e9om\u00e9tries complexes.<sup><\/sup><\/p>\n\n\n\n<p>Ce proc\u00e9d\u00e9 est souvent utilis\u00e9 pour les corps de vanne de grand diam\u00e8tre ou de forme unique. Par exemple, un robinet \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9 en acier au carbone, con\u00e7u pour un contr\u00f4le de d\u00e9bit mod\u00e9r\u00e9, peut \u00eatre fabriqu\u00e9 par moulage afin de r\u00e9duire les d\u00e9lais et les co\u00fbts de fabrication.<\/p>\n\n\n\n<p>L&#039;acier moul\u00e9 est souvent choisi lorsque :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le corps de la vanne a une g\u00e9om\u00e9trie complexe ou non standard<\/li>\n\n\n\n<li>Le syst\u00e8me fonctionne \u00e0 une pression mod\u00e9r\u00e9e et \u00e0 une faible fr\u00e9quence de cycle<\/li>\n\n\n\n<li>Les d\u00e9lais ou les budgets des projets n\u00e9cessitent une production plus rapide et \u00e0 moindre co\u00fbt<\/li>\n<\/ul>\n\n\n\n<p>Cependant, les pi\u00e8ces moul\u00e9es peuvent introduire des micro-vides, des porosit\u00e9s ou des inclusions qui compromettent les performances d&#039;\u00e9tanch\u00e9it\u00e9 au fil du temps.<sup><\/sup> Bien que le contr\u00f4le qualit\u00e9 moderne minimise ces risques, l\u2019acier moul\u00e9 reste moins robuste m\u00e9caniquement que les mat\u00e9riaux forg\u00e9s.<sup><\/sup><\/p>\n\n\n\n<style>\r\n    \/* \u5bfc\u5165 Poppins \u5b57\u4f53 *\/\r\n    @import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600&display=swap');\r\n\r\n    \/* \u6837\u5f0f\u9694\u79bb\uff1a\u6240\u6709\u6837\u5f0f\u90fd\u4ee5 .cldg-card- \u5f00\u5934\uff0c\u907f\u514d\u5f71\u54cd\u7f51\u7ad9\u5176\u4ed6\u90e8\u5206 *\/\r\n    .cldg-card-container {\r\n        display: flex;\r\n        flex-wrap: wrap; \/* \u5728\u79fb\u52a8\u7aef\u6362\u884c *\/\r\n        width: 100%;\r\n        margin: 20px 0;\r\n        border: 1px solid #e0e0e0;\r\n        border-radius: 8px;\r\n        overflow: hidden; \/* \u786e\u4fdd\u5b50\u5143\u7d20\u7684\u5706\u89d2\u751f\u6548 *\/\r\n        background-color: #ffffff;\r\n        font-family: 'Poppins', Arial, sans-serif; \/* \u4f7f\u7528\u60a8\u6307\u5b9a\u7684 Poppins \u5b57\u4f53 *\/\r\n        box-sizing: border-box;\r\n    }\r\n\r\n    .cldg-card-text-column {\r\n        flex: 55%; \/* \u5de6\u4fa7\u6587\u672c\u680f\u5360\u6bd4 55% *\/\r\n        padding: 30px;\r\n        display: flex;\r\n        flex-direction: column;\r\n        justify-content: center;\r\n        box-sizing: border-box;\r\n    }\r\n\r\n    .cldg-card-image-column {\r\n        flex: 45%; \/* \u53f3\u4fa7\u56fe\u7247\u680f\u5360\u6bd4 45% *\/\r\n        min-height: 250px; \/* \u907f\u514d\u5728flex\u5e03\u5c40\u4e2d\u88ab\u8fc7\u5ea6\u538b\u7f29 *\/\r\n        box-sizing: border-box;\r\n    }\r\n\r\n    .cldg-card-image-column img {\r\n        width: 100%;\r\n        height: 100%;\r\n        object-fit: cover; 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\/* \u8c03\u6574\u5185\u8fb9\u8ddd *\/\r\n        }\r\n    }\r\n<\/style>\r\n\r\n<div class=\"cldg-card-container\">\r\n    <div class=\"cldg-card-text-column\">\r\n        <p class=\"cldg-card-title\">Votre expert en fabrication de vannes \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9es pour installations souterraines<\/p>\r\n        <p class=\"cldg-card-description\">En tant que fabricant leader de vannes \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9es, nous proposons des vannes certifi\u00e9es, con\u00e7ues pour une performance durable et sans entretien dans les applications souterraines critiques. Faites appel \u00e0 nous pour des solutions fiables garantissant s\u00e9curit\u00e9 op\u00e9rationnelle et valeur ajout\u00e9e.<\/p>\r\n        <a href=\"https:\/\/www.pansvalve.com\/fr\/products\/fully-welded-ball-valve\/\" class=\"cldg-card-cta-button\" target=\"_blank\" rel=\"noopener noreferrer\">\r\n            Voir les sp\u00e9cifications\r\n        <\/a>\r\n    <\/div>\r\n    <div class=\"cldg-card-image-column\">\r\n        <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/9.jpg\" alt=\"Votre expert en fabrication de vannes \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9es pour installations souterraines\">\r\n    <\/div>\r\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Forged_Steel_is_Preferred_for_High-Pressure_Trunnion_Valves\"><\/span>Pourquoi l&#039;acier forg\u00e9 est privil\u00e9gi\u00e9 pour les vannes \u00e0 tourillon haute pression<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tanch\u00e9it\u00e9 fiable sous charge<\/h3>\n\n\n\n<p>Les conceptions \u00e0 tourillon reposent sur une pression stable et \u00e9quilibr\u00e9e pour maintenir la bille en place. L&#039;acier forg\u00e9 pr\u00e9serve l&#039;int\u00e9grit\u00e9 structurelle n\u00e9cessaire au maintien de ce joint, m\u00eame en cas de fluctuations de temp\u00e9rature ou de pics de pression.<sup><\/sup><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Risque minimal de d\u00e9fauts internes<\/h3>\n\n\n\n<p>Contrairement au moulage, le forgeage \u00e9limine les cavit\u00e9s internes et la densit\u00e9 incoh\u00e9rente.<sup><\/sup> C&#039;est pourquoi un robinet \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9 mont\u00e9 sur un tourillon en acier forg\u00e9 offre une meilleure assurance contre les fuites, les \u00e9ruptions et les d\u00e9formations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\u00e9siste aux cycles de pression et aux vibrations<\/h3>\n\n\n\n<p>Ol\u00e9oducs et gazoducs, <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/how-fully-welded-lng-valves-improve-system-performance\/\" target=\"_blank\" rel=\"noreferrer noopener\">syst\u00e8mes GNL<\/a>, et les raffineries mettent <a href=\"https:\/\/www.pansvalve.com\/fr\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\">vannes<\/a> Sous des contraintes thermiques et m\u00e9caniques constantes, l&#039;acier forg\u00e9 r\u00e9siste l\u00e0 o\u00f9 les pi\u00e8ces moul\u00e9es risquent de s&#039;user, de se d\u00e9placer ou de se fissurer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Performance certifi\u00e9e<\/h3>\n\n\n\n<p>PANS fabrique <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.pansvalve.com\/fr\/products\/forged-gate-valve\/\">soupapes forg\u00e9es<\/a> conform\u00e9ment \u00e0 <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/7-key-api-standards-for-gate-valves\/\">Normes API et TUV<\/a> pour garantir des performances constantes dans les conditions les plus exigeantes. Pour les entrepreneurs EPC g\u00e9rant des canalisations longue distance ou des syst\u00e8mes enterr\u00e9s, cela garantit une confiance totale, de l&#039;installation \u00e0 l&#039;inspection.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comparison_Forged_vs_Cast_for_Trunnion_Mounted_Fully_Welded_Ball_Valves\"><\/span>Comparaison\u00a0: forg\u00e9 et moul\u00e9 pour les robinets \u00e0 tournant sph\u00e9rique enti\u00e8rement soud\u00e9s mont\u00e9s sur tourillon<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td>Fonctionnalit\u00e9<\/td><td>Valve en acier forg\u00e9<\/td><td>Vanne en acier moul\u00e9<\/td><\/tr><\/thead><tbody><tr><td><strong>Performances d&#039;\u00e9tanch\u00e9it\u00e9<\/strong><\/td><td>Maintient l&#039;alignement du si\u00e8ge sous charge<\/td><td>Peut se d\u00e9placer sous l&#039;effet de la pression ou des cycles thermiques<\/td><\/tr><tr><td><strong>Densit\u00e9 du mat\u00e9riau<\/strong><\/td><td>Structure granuleuse haute et compacte<\/td><td>Mod\u00e9r\u00e9; peut contenir de la porosit\u00e9 ou des vides<\/td><\/tr><tr><td><strong>Durabilit\u00e9 m\u00e9canique<\/strong><\/td><td>R\u00e9siste aux pics de pression et \u00e0 une utilisation fr\u00e9quente<\/td><td>Convient aux conditions de pression stables et plus basses<\/td><\/tr><tr><td><strong>Complexit\u00e9 de conception<\/strong><\/td><td>Id\u00e9al pour les formes plus simples<\/td><td>Permet des g\u00e9om\u00e9tries plus complexes ou plus grandes<\/td><\/tr><tr><td><strong>Certifications<\/strong><\/td><td>R\u00e9pond souvent aux exigences API et TUV<\/td><td>Peut ne pas \u00eatre approuv\u00e9 pour <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/forged-steel-globe-valve-high-pressure-and-temp-ready\/\">\u00e0 haute pression<\/a> service<\/td><\/tr><tr><td><strong>Meilleurs cas d&#039;utilisation<\/strong><\/td><td>P\u00e9trole et gaz, GNL, pipelines enterr\u00e9s, syst\u00e8mes critiques<\/td><td>CVC, eau et applications g\u00e9n\u00e9rales sensibles aux co\u00fbts<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"When_Is_a_Cast_Body_Acceptable\"><\/span>Quand un corps moul\u00e9 est-il acceptable ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L&#039;acier moul\u00e9 est un choix raisonnable lorsque :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La pression de fonctionnement est faible \u00e0 mod\u00e9r\u00e9e<\/li>\n\n\n\n<li>La g\u00e9om\u00e9trie de la vanne est complexe ou surdimensionn\u00e9e<\/li>\n\n\n\n<li>Des contraintes budg\u00e9taires strictes existent<\/li>\n\n\n\n<li>La vanne ne sera pas confront\u00e9e \u00e0 des actionnements fr\u00e9quents ou \u00e0 des cycles thermiques<\/li>\n<\/ul>\n\n\n\n<p>Un robinet \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9 en acier inoxydable produit par moulage peut servir de mani\u00e8re fiable dans les syst\u00e8mes d&#039;eau municipaux, les boucles CVC ou les applications de qualit\u00e9 alimentaire, en particulier lorsque la finition de surface ou la r\u00e9sistance \u00e0 la corrosion est plus importante que la r\u00e9sistance brute.<\/p>\n\n\n\n<p>Mais dans les pipelines o\u00f9 l\u2019acc\u00e8s est limit\u00e9 et o\u00f9 les pannes sont co\u00fbteuses, l\u2019acier moul\u00e9 pr\u00e9sente toujours plus de risques que le mat\u00e9riau forg\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion_Specifying_Forged_Steel_for_Maximum_Reliability\"><\/span>Conclusion\u00a0: Sp\u00e9cifier l&#039;acier forg\u00e9 pour une fiabilit\u00e9 maximale<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>En mati\u00e8re d&#039;\u00e9tanch\u00e9it\u00e9, de r\u00e9sistance \u00e0 la fatigue et de s\u00e9curit\u00e9 dans les configurations mont\u00e9es sur tourillon, l&#039;acier forg\u00e9 est le choix \u00e9vident. Un robinet \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9 mont\u00e9 sur tourillon en acier forg\u00e9 offre une structure sup\u00e9rieure, moins de d\u00e9fauts et une plus grande r\u00e9sistance aux contraintes dans le temps, ce qui le rend id\u00e9al pour les syst\u00e8mes enterr\u00e9s ou haute pression.<\/p>\n\n\n\n<p>Chez PANS, nous fabriquons des robinets \u00e0 boisseau sph\u00e9rique enti\u00e8rement soud\u00e9s en acier au carbone et en acier inoxydable, \u00e0 partir de mat\u00e9riaux forg\u00e9s conformes aux normes CE, API et TUV. Nos solutions enti\u00e8rement soud\u00e9es sont con\u00e7ues pour aider les \u00e9quipes d&#039;ing\u00e9nierie et d&#039;approvisionnement \u00e0 r\u00e9duire les risques de d\u00e9faillance et \u00e0 optimiser la disponibilit\u00e9 des syst\u00e8mes.<\/p>\n\n\n\n<p>Vous pouvez en savoir plus sur la fa\u00e7on dont le moulage et le forgeage affectent les performances des diff\u00e9rents types de vannes dans notre <a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/forged-valves\/which-is-better-cast-steel-valve-or-forged-steel-valve\/\">guide d\u00e9taill\u00e9 sur les vannes en acier moul\u00e9 et en acier forg\u00e9<\/a>.<\/p>\n\n\n\n<p>Ou contactez l&#039;\u00e9quipe PANS pour discuter directement de vos sp\u00e9cifications.<\/p>","protected":false},"excerpt":{"rendered":"<p>Forged steel is the better choice if you need long-term strength, consistent sealing, and pressure resistance in a trunnion mounted fully welded ball valve. Cast steel makes more sense when the system runs at lower pressures, requires complex body shapes, or prioritizes cost over durability. The Forging Process: Superior Strength and Grain Structure Forged steel [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1108,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[191],"tags":[],"class_list":["post-2931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ball-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Forged Steel vs. Cast Steel: A Deep Dive for Trunnion Mounted Fully Welded Ball Valves<\/title>\n<meta name=\"description\" content=\"Compare forged and cast steel for trunnion mounted fully welded ball valves. Learn which material delivers better sealing and pressure strength.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Forged Steel vs. Cast Steel: A Deep Dive for Trunnion Mounted Fully Welded Ball Valves\" \/>\n<meta property=\"og:description\" content=\"Compare forged and cast steel for trunnion mounted fully welded ball valves. Learn which material delivers better sealing and pressure strength.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pansvalve.com\/fr\/blog\/ball-valve\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\/\" \/>\n<meta property=\"og:site_name\" content=\"Industrial Valve Manufacturer and Company from China\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-22T09:03:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-22T09:27:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/9.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/#\\\/schema\\\/person\\\/246e471ae246e0f35793a4f0b10b61bf\"},\"headline\":\"Forged Steel vs. Cast Steel: A Deep Dive for Trunnion Mounted Fully Welded Ball Valves\",\"datePublished\":\"2025-07-22T09:03:40+00:00\",\"dateModified\":\"2025-07-22T09:27:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/\"},\"wordCount\":834,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pansvalve.com\\\/wp-content\\\/uploads\\\/2022\\\/04\\\/9.jpg\",\"articleSection\":[\"Ball Valve\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/\",\"url\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/\",\"name\":\"Forged Steel vs. Cast Steel: A Deep Dive for Trunnion Mounted Fully Welded Ball Valves\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.pansvalve.com\\\/blog\\\/ball-valve\\\/forged-vs-cast-trunnion-mounted-fully-welded-ball-valve\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.pansvalve.com\\\/wp-content\\\/uploads\\\/2022\\\/04\\\/9.jpg\",\"datePublished\":\"2025-07-22T09:03:40+00:00\",\"dateModified\":\"2025-07-22T09:27:39+00:00\",\"description\":\"Compare forged and cast steel for trunnion mounted fully welded ball valves. 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